<!-- src/pagesOrder/pages/create/create.vue -->
<script setup lang="ts">
import { computed, ref } from 'vue'
import {
  getOrderPreApi,
  getOrderPreNowApi,
  getRepurchaseOrderApi,
  submitOrderApi,
} from '@/pagesOrder/api/order.ts'
import type { CreateData, CreateOrderParams } from '@/types/order'
import { useAddressStore } from '@/stores'
import BuyerMessagePanel from '@/pagesOrder/pages/create/components/BuyerMessagePanel.vue'
import debounce from 'lodash.debounce'

// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getWindowInfo()
// 配送时间
const deliveryList = ref([
  { type: 1, text: '时间不限 (周一至周日)' },
  { type: 2, text: '工作日送 (周一至周五)' },
  { type: 3, text: '周末配送 (周六至周日)' },
])
// 当前配送时间下标
const activeIndex = ref(0)
// 当前配送时间
const activeDelivery = computed(() => deliveryList.value[activeIndex.value])
// 修改配送时间
const onChangeDelivery: UniHelper.SelectorPickerOnChange = (ev) => {
  activeIndex.value = ev.detail.value
}

// 获取订单预览信息
const orderPre = ref<CreateData>()
// 获取路由参数
const query = defineProps<{
  skuId?: string
  count?: string
  addressId?: string
  orderId?: string
}>()
const getOrderPre = async () => {
  if (query.skuId && query.count) {
    // 立刻购买
    const res = await getOrderPreNowApi({
      skuId: query.skuId,
      count: query.count,
      addressId: query.addressId,
    })
    orderPre.value = res.result
  } else if (query.orderId) {
    // 获取再次购买订单
    const res = await getRepurchaseOrderApi(query.orderId)
    orderPre.value = res.result
  } else {
    // 预付订单
    const res = await getOrderPreApi()
    orderPre.value = res.result
  }
}

getOrderPre()

const addressStore = useAddressStore()
const selectedAddress = computed(() => {
  return (
    // 选中地址，默认地址，第一个地址，按优先级使用
    addressStore.selectedAddress ||
    orderPre.value?.userAddresses.find((item) => item.isDefault) ||
    orderPre.value?.userAddresses[0]
  )
})

const popup = ref<UniHelper.UniPopupInstance>()
const isFullscreen = ref(false)
const showPopup = () => {
  popup.value?.open!()
  isFullscreen.value = false
}
// 最终提交的正式备注内容
const buyerMessage = ref('')
// 已保存的草稿
let savedBuyerMessageDraft = ''
// 当前编辑的临时状态
const editingBuyerMessage = ref('')
const closePopup = (isSubmit: boolean = false) => {
  const popupInstance = popup.value
  if (!popupInstance) return // 保护性判断

  // 直接提交时更新主数据
  if (isSubmit) {
    savedBuyerMessageDraft = editingBuyerMessage.value
    buyerMessage.value = editingBuyerMessage.value
    return popupInstance.close!()
  }

  // 非提交时判断是否需要保存草稿
  if (editingBuyerMessage.value === savedBuyerMessageDraft) {
    return popupInstance.close!()
  }

  // 显示模态框
  uni.showModal({
    content: '是否保存当前编辑内容为草稿？',
    confirmText: '保存',
    cancelText: '不保存',
    success(res) {
      if (res.confirm) {
        savedBuyerMessageDraft = editingBuyerMessage.value
      } else {
        editingBuyerMessage.value = savedBuyerMessageDraft
      }
      popupInstance.close!()
    },
  })
}

// 提交订单
const submitOrder = debounce(async () => {
  if (!selectedAddress.value?.id) return uni.showToast({ title: '请选择收货地址', icon: 'none' })
  const res = await submitOrderApi({
    goods: orderPre.value!.goods.map((item) => ({
      skuId: item.skuId,
      count: item.count,
    })),
    addressId: selectedAddress.value?.id,
    deliveryTimeType: activeDelivery.value.type as CreateOrderParams['deliveryTimeType'],
    buyerMessage: buyerMessage.value,
    payType: 1,
    payChannel: 2,
  })
  uni.redirectTo({ url: '/pagesOrder/pages/detail/detail?id=' + res.result.id })
}, 500)
</script>

<template>
  <uni-popup
    ref="popup"
    type="bottom"
    background-color="#fff"
    :mask-click="false"
    @mask-click="closePopup"
  >
    <BuyerMessagePanel
      v-model:editingBuyerMessage="editingBuyerMessage"
      @close="closePopup"
      v-model:isFullscreen="isFullscreen"
    ></BuyerMessagePanel>
  </uni-popup>
  <scroll-view scroll-y class="viewport">
    <!-- 收货地址 -->
    <navigator
      v-if="selectedAddress"
      class="shipment"
      hover-class="none"
      url="/pagesMember/pages/address/address?from=order"
    >
      <view class="user">{{ selectedAddress?.receiver }} {{ selectedAddress?.contact }}</view>
      <view class="address">
        {{ selectedAddress?.fullLocation }} {{ selectedAddress?.address }}
      </view>
      <text class="icon icon-right"></text>
    </navigator>
    <navigator
      v-else
      class="shipment"
      hover-class="none"
      url="/pagesMember/pages/address/address?from=order"
    >
      <view class="address">请选择收货地址</view>
      <text class="icon icon-right"></text>
    </navigator>

    <!-- 商品信息 -->
    <view class="goods">
      <navigator
        v-for="item in orderPre?.goods"
        :key="item.skuId"
        :url="`/pages/goods/goods?id=${item.id}`"
        hover-class="none"
      >
        <view class="item">
          <image class="picture" :src="item.picture" lazy-load />
          <view class="meta">
            <view class="name ellipsis">{{ item.name }}</view>
            <view class="attrs">{{ item.attrsText }}</view>
            <view class="prices">
              <view class="pay-price symbol">{{ item.payPrice }}</view>
              <view class="price symbol">{{ item.price }}</view>
            </view>
            <view class="count">x{{ item.count }}</view>
          </view>
        </view>
      </navigator>
    </view>

    <!-- 配送及支付方式 -->
    <view class="related">
      <view class="item">
        <text class="text">配送时间</text>
        <picker :range="deliveryList" mode="selector" range-key="text" @change="onChangeDelivery">
          <view class="icon-fonts picker">{{ activeDelivery.text }}</view>
        </picker>
      </view>
      <view class="item">
        <text class="text">订单备注</text>
        <input
          class="input ellipsis"
          disabled
          placeholder="建议留言前先与商家沟通确认"
          @tap="showPopup"
          :value="buyerMessage"
        />
      </view>
    </view>

    <!-- 支付金额 -->
    <view class="settlement">
      <view class="item">
        <text class="text">商品总价:</text>
        <text class="number symbol">{{ orderPre?.summary.totalPrice.toFixed(2) }}</text>
      </view>
      <view class="item">
        <text class="text">运费:</text>
        <text class="number symbol">{{ orderPre?.summary.postFee.toFixed(2) }}</text>
      </view>
    </view>
  </scroll-view>

  <!-- 吸底工具栏 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="total-pay symbol">
      <text class="number">{{ orderPre?.summary.totalPayPrice.toFixed(2) }}</text>
    </view>
    <view class="button" :class="{ disabled: !selectedAddress?.id }" @tap="submitOrder"
      >提交订单
    </view>
  </view>
</template>

<style lang="scss">
page {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background-color: #f4f4f4;
}

.symbol::before {
  content: '¥';
  font-size: 80%;
  margin-right: 5rpx;
}

.shipment {
  margin: 20rpx;
  padding: 30rpx 40rpx 30rpx 84rpx;
  font-size: 26rpx;
  border-radius: 10rpx;
  background: url(https://pcapi-xiaotuxian-front-devtest.itheima.net/miniapp/images/locate.png)
    20rpx center / 50rpx no-repeat #fff;
  position: relative;

  .icon {
    font-size: 36rpx;
    color: #333;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    right: 20rpx;
  }

  .user {
    color: #333;
    margin-bottom: 5rpx;
  }

  .address {
    color: #666;
  }
}

.goods {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    padding: 30rpx 0;
    border-top: 1rpx solid #eee;

    &:first-child {
      border-top: none;
    }

    .picture {
      width: 170rpx;
      height: 170rpx;
      border-radius: 10rpx;
      margin-right: 20rpx;
    }

    .meta {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
    }

    .name {
      height: 80rpx;
      font-size: 26rpx;
      color: #444;
    }

    .attrs {
      line-height: 1.8;
      padding: 0 15rpx;
      margin-top: 6rpx;
      font-size: 24rpx;
      align-self: flex-start;
      border-radius: 4rpx;
      color: #888;
      background-color: #f7f7f8;
    }

    .prices {
      display: flex;
      align-items: baseline;
      margin-top: 6rpx;
      font-size: 28rpx;

      .pay-price {
        margin-right: 10rpx;
        color: #cf4444;
      }

      .price {
        font-size: 24rpx;
        color: #999;
        text-decoration: line-through;
      }
    }

    .count {
      position: absolute;
      bottom: 0;
      right: 0;
      font-size: 26rpx;
      color: #444;
    }
  }
}

.related {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }

  .input {
    flex: 1;
    text-align: right;
    margin: 20rpx 0;
    padding-right: 20rpx;
    font-size: 26rpx;
    color: #999;
  }

  .ellipsis {
    white-space: nowrap;
  }

  .item .text {
    width: 125rpx;
  }

  picker {
    flex: 1;
    height: 80rpx;
    line-height: 80rpx;
    text-align: right;
    color: #666;
  }

  .picker::after {
    content: '\e6c2';
  }
}

/* 结算清单 */
.settlement {
  margin: 20rpx;
  padding: 0 20rpx;
  border-radius: 10rpx;
  background-color: #fff;

  .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80rpx;
    font-size: 26rpx;
    color: #333;
  }

  .danger {
    color: #cf4444;
  }
}

/* 吸底工具栏 */
.toolbar {
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx;
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;

  .total-pay {
    font-size: 40rpx;
    color: #cf4444;

    .decimal {
      font-size: 75%;
    }
  }

  .button {
    width: 220rpx;
    text-align: center;
    line-height: 72rpx;
    font-size: 26rpx;
    color: #fff;
    border-radius: 72rpx;
    background-color: #27ba9b;
  }

  .disabled {
    opacity: 0.6;
  }
}
</style>
